Elements and compounds are a result of the actions of the valence electrons. There are three types of bonds that I have learned about in the bonding comparison lab. These bonds include ionic‚ polar covalent‚ and non-polar covalent. Each of these bonds and the element compounds connected to them has individual solubility‚ conductivity‚ melting point‚ and volatility levels. The three element compounds that will follow are sodium chloride‚ sucrose‚ and p-dichlorobenzene. Sodium chloride is an ionic
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Carbon and Its Compounds Carbon: Introduction Atomic Number: 6 Electronic Configuration: 2‚ 4 Valence electrons: 4 Property: Non-metal Abundance: Carbon is the 4th most abundant substance in universe and 15th most abundant substance in the earth’s crust. Compounds having carbon atoms among the components are known as carbon compounds. Previously‚ carbon compounds could only be obtained from a living source; hence they are also known as organic compounds. Bonding In Carbon: The Covalent Bond
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The human history started because of the six periods. The six periods are Agricultural Revolution‚ early Civilizations‚ the fall of three major civilizations‚ the discovery of the new world‚ Industrial Revolution and independence movements/nationalism. Those six periods were caused because of the six turning points. The Agricultural Revolution around 8000 BCE. Agricultural Revolution was the age of wheel‚ plow‚ domestication of animals‚ and basic irrigation techniques. Therefore‚ humans had a
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Mohamed Hatab‚Ibraheem Sattour‚Rahim Fazil‚Tarik Ahroui Simple sentences‚compound sentences‚complex sentences‚compound complex sentences Simple sentence:Contains a subject a predicate‚and expresses a complete thought Ex.Some students like to study in the morning Identify the subject and predicate in these simple sentences Ex.1 1.Bill and Bob auditioned for the lead role in the play. 2.The kittens were adopted by the family. 3.Peanut butter
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strategies and core markets several times. It turns out none of these changes made efforts. Apple suffered loss of revenue and loss of market share for over thirteen years. Second‚ Apple is losing its customer loyalty and the specificity of its products by installing more and more Microsoft and Intel software onto its products. Third‚ in 2008‚ as more than a quarter of its iPhones fell into “gray market‚” Apple suffered a certain amount of loss of service share revenue. At last‚ more and more smartphones
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Kate Chopin - The Story of an Hour 1. Do you believe the Mallards’ marriage was a loveless one? How would you describe the marriage‚ given what the story tells you? Kate Chopin opens the story describing the scene to be one of epic emotion and made me believe that Mrs. Mallard was a woman madly in love with her husband; however as the story progresses the storyline changes. When Mrs. Mallard received the news of her husband and sat in the room alone and began whispering the words “Freedom” over
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the student body‚ and the idea of parking tower can be a solution to it‚ but do we really need one? Students are enrolling in community colleges more than four-year colleges. It’s because students find it more easily to take two-year program instead of attending a four your college. This year SLCC have 6‚000 students that enrolled. Last year there was 4‚219 students that had enrolled at SLCC; 2‚151 full time the other half was part time. It’s a strong possibility almost 50% of the students that
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Organic Compounds Marilena Tagritzis 11-A Mr. Daniel Chemistry May 10‚ 2011 Organic Compounds An organic compound belongs to gaseous‚ liquid‚ or solid chemical compounds whose molecules contain carbon. Some types of carbon that contain compounds such as carbides‚ carbonates‚ and oxides of carbon and cyanides are sometimes classified as inorganic. AllotropesHYPERLINK "http://en.wikipedia.org/wiki/Allotropes_of_carbon" of carbon such as diamond and graphite may also be classified as inorganic
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There are different types of Compound Interest. Interest is the amount of money earned in a saving account. * Simple Interest: Interest calculated once on the principal. * Compound Interest: Interest calculated for a given segment of time of the investment. For example‚ compounded monthly‚ means the interest is calculated each month and combined with the principal. So‚ for the next month‚ interest is earned on the interest. Continuously Compound Interest Formula P: ending
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1. An organic compound X with a molecular formula C2H6O undergoes oxidation with in presence of alkaline KMnO4 to form a compound Y. X on heating in presence of Conc. H2SO4 at 443K gives Z. Which on reaction with H2Oin presence of H2SO4 gives back `X` `Z` reacts with Br2 (aq) and decolorizes it. Identify X‚ Y‚ & Z and write the reactions involved. 2. An organic compound ‘A’ is widely used as a preservative in pickles and has a molecular formula C2H2O2. This compound reacts with ethanol to
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